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Comparatal dispersion, a measure of accuracy of judgment

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Abstract

It is suggested that the ambiguity of aset of paired comparison judgments may be measured by the quantity √σ 2 i + σ 2j − 2r ij σiσi, This quantity is termed thecomparatal dispersion. A simultaneous solution for scale values and ratios of comparatal dispersions has been presented and applied to some data on food preferences.

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Authors and Affiliations

  1. Princeton University, USA

    Harold Gulliksen

  2. Educational Testing Service, USA

    Harold Gulliksen

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  1. Harold Gulliksen
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Additional information

This research was jointly supported in part by Princeton University, the Office of Naval Research under contract Nonr-1858(15), and the National Science Foundation under grant NSF G-642, and in part by Educational Testing Service. Reproduction in whole or in part is permitted for any purpose of the United States Government.

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Gulliksen, H. Comparatal dispersion, a measure of accuracy of judgment. Psychometrika 23, 137–150 (1958). https://doi.org/10.1007/BF02289010

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  • DOI: https://doi.org/10.1007/BF02289010

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